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Elizabeth S. Ghatala Joel R. Levin Judy A. Davis Diane L. Truman 《Contemporary educational psychology》1981,6(1):46-58
The present study helps to clarify and extend earlier findings concerning multiple-choice assessment of students' learning from sentences. Interference arising from intersentence similarity was found here to be a function of both the kind of learning strategies students were instructed to employ and the kind of strategies they reported having employed spontaneously. Two major new conclusions follow from the present data: (a) Instructors and test constructors need worry only about certain types of potentially interfering information that is embedded in a set of learning materials: (b) Even when the conditions are right for substantial interference to occur, such interference can be eliminated if students are induced to employ beneficial sentence-processing strategies. 相似文献
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The effects of high-intensity intermittent exercise on saliva IgA, total protein and alpha-amylase 总被引:3,自引:0,他引:3
Walsh NP Blannin AK Clark AM Cook L Robson PJ Gleeson M 《Journal of sports sciences》1999,17(2):129-134
The aim of this study was to assess the effect of an acute bout of high-intensity intermittent exercise on saliva IgA concentration and alpha-amylase activity, since this type of training is commonly incorporated into the training programmes of endurance athletes and games players. Eight well-trained male games players took part in the study. They reported to the laboratory after an overnight fast and performed a 60-min cycle exercise task consisting of twenty 1-min periods at 100% VO2max, each separated by 2 min recovery at 30% VO2max. Unstimulated whole saliva was collected over a 5-min period into pre-weighed tubes and analysed for total protein, saliva IgA and alpha-amylase. The saliva flow rate ranged from 0.08 to 1.40 ml x min(-1) at rest and was not significantly affected by the exercise. The performance of the intermittent exercise bout did not affect the saliva IgA concentration, but caused a five-fold increase in alpha-amylase activity (P<0.01 compared with pre-exercise) and a three-fold increase in total protein concentration (P<0.01). These returned to pre-exercise values within 2.5 h post-exercise. It has been suggested that IgA concentration should be expressed as the ratio to total protein concentration, to correct for any concentrating effect due to evaporative loss of saliva water when breathing through the mouth (as in strenuous exercise). The present study clearly demonstrates that this is not appropriate, since there is an increase in salivary protein secretion rate immediately after exercise (571+/-77 microg x min(-1) compared with 218+/-71 microg x min(-1) pre-exercise; P<0.05). The increased saliva alpha-amylase activity after exercise may improve the protective effect of saliva, since this enzyme is known to inhibit bacterial attachment to oral surfaces. The saliva alpha-amylase secretion rate was lower immediately pre-exercise than at any other instant, which may have been due to anticipatory psychological stress, although the subjects were all familiar with interval exercise. This emphasizes the need for true resting non-stressed control conditions in future studies of the effects of exercise on saliva constituents. 相似文献
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Graeme Nixon David McMurtry Linda Craig Annick Nevejan Heather Regan-Addis 《Pastoral Care in Education》2016,34(3):167-183
AbstractSince 2010, the University of Aberdeen, Scotland, UK, has offered an MSc in studies in mindfulness degree programme within its School of Education. The programme has attracted over 200 students from multiple professional contexts, providing the authors with the opportunity to gather and analyse demographic data, as well as data regarding student motivations and expectations, both personal and professional. The paper initially creates a picture of the current UK ‘studies in mindfulness’ landscape by describing the established programmes at UK universities. Data from an entry questionnaire completed by three cohorts of students on the ‘Aberdeen’ programme and data collected from students throughout their studies is then presented, analysed and discussed. The authors argue that, in their professional roles, graduates from programmes and courses at Universities in the UK are introducing an ever-increasing number of people to mindfulness. They are implementing and integrating mindfulness into diverse social, business contexts as well as into all sectors of education. The University of Aberdeen’s programme, based in the School of Education, perhaps represents a move towards more holistic, pastoral and multi-professional applications of mindfulness. This contrasts with the clinical, pathological settings for mindfulness to date. 相似文献